leetcode 538. Convert BST to Greater Tree Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input:The root of a Binary Search Tree...
Given therootof a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus the sum of all keys greater than the original key in BST. As a reminder, abinary search treeis a tree that satisfies these constraints...
使用一个vector将所有节点的值以升序排列。然后比较,求和,加上。 3、代码 1TreeNode* convertBST(TreeNode*root) {2if(root ==NULL)3returnNULL;45vector<int>v;6inorder(root,v);7increaseVal(root, v);89returnroot;1011}1213voidincreaseVal(TreeNode *root, vector<int> &v)14{15if(root ==NULL)...
538. Convert BST to Greater Tree 问题描述:将一个BST树节点加上该BST树中所有节点比它大的值。 思路:后序遍历。 原答案:...538. Convert BST to Greater Tree 题目描述: Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to...
LeetCode 题解之 538. Convert BST to Greater Tree 538. Convert BST to Greater Tree 题目描述和难度 题目描述: 给定一个二叉搜索树(Binary Search Tree),把它转换成为累加树(Greater Tree),使得每个节点的值是原来的节点值加上所有大于它的节点值之和。 例如: 题目难度:简单。 英文网址:538. Convert ...
Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input: The root of a Binary Search Tree like this: ...
538. Convert BST to Greater Tree* https://leetcode.com/problems/convert-bst-to-greater-tree/ 题目描述 Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than ...
538. Convert BST to Greater Tree [思路] 该节点的值 = 节点旧值 + 大于此节点的值的和; bst树有序的; 顶点和右边的节点:那么节点的值 = 节点旧值+ 节点右值的和; 左边的节点: 节点旧值+ 顶点的值; 所有从右向左遍历; TreeNode*convertBST(TreeNode*root){//找到所有的值;int sum=0;searchTree(...
Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example:Input:The root of a Binary Search Tree likethis:5/\213Output:The root of a Grea...
LeetCode 538. Convert BST to Greater Tree(把BST每个节点的值都加上比它大的节点的值) 题意:把二叉查找树每个节点的值都加上比它大的节点的值。 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 /** * Definition for a binary tree node....